Keyboard



FIG. 1 is a front bottom right perspective view of a keyboard showing the claimed design;

FIG. 2 is a top right perspective view of FIG. 1;

FIG. 3 is a bottom right perspective view of FIG. 1;

FIG. 4 is a rear right perspective view of FIG. 1;

FIG. 5 is a front elevational view of FIG. 1;

FIG. 6 is a rear elevational view of FIG. 1;

FIG. 7 is a left side elevational view of FIG. 1;

FIG. 8 is a right side elevational view of FIG. 1;

FIG. 9 is a top plan view of FIG. 1;

FIG. 10 is a bottom plan view of FIG. 1;

FIG. 11 is a partial enlarged view according to a “circle area 11” of FIG. 2;

FIG. 12 is a partial enlarged view according to a “circle area 12” of FIG. 3; and,

FIG. 13 is a partial enlarged view according to a “circle area 13” of FIG. 12.

The dashed broken lines in the figures represent portions of the article which form no part of the claimed design.

The dot-dash lines in the figures represent the boundary of the enlarged areas which form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 